每隔10天的周期就会有一些特殊的恒星群出现，这些恒星群被称为decans。
Each period of ten days was marked by the appearance of special groups of stars called decans.
脉冲星是某一恒星群发生爆炸形成超新星后所遗留下来的密核。
Pulsars are the dense cores left over after stars of a certain mass explode into supernovae.
另一个原因是它们非常稀少，只在最密集的恒星群中才有。
Another is that they're extremely rare, forming only in the densest star clusters.
玫瑰星云的本身，其庞大的恒星群，位于该图片的权利。
The Rosette Nebula itself, and its massive cluster of stars, is located to the right of the picture.
拱门星团是我们的星系中最密集的恒星群，它位于银河系拥挤的中心区。
The Arches is the densest star cluster in our Milky Way galaxy and resides in our galaxy's crowded core.
我们的太阳系位于巨大天国的边缘，这一巨大的恒星群落依靠着引力组成银河系。
Our solar system lies in a suburb of a vast celestial city, a colossal community of stars, bound together by gravity the Milky Way galaxy.
II区域：一个由围绕着年轻恒星或恒星群的气体构成的区域，其大部分是电离的。
II region: a region of hot gas surrounding a young star or stars that is mostly ionized.
上周四，位于智利拉新罗的欧洲南部天文台，公布了新近拍摄的该古老恒星群的高清晰图片。
The swarm of ancient stars is the subject of a sharp, new picture released Thursday from the European Southern Observatory's facility in La Silla, Chile.
遮蔽尘带、年轻的蓝色恒星团和红色调的恒星形成区，包围着核心发出黄色光芒的老年恒星群体。
Obscuring dust lanes, young blue star clusters and reddish star forming regions surround a core of yellowish light from an older population of stars.
这是一张来自天蝎星座的新照片，由尘埃和气体笼罩着的这团巨大恒星群叫做普日密斯24恒星群。
Dust and gas envelop a cluster of massive stars called Pismis 24 in a new picture of a nebula in the constellation Scorpius.
罗伯特森说，尽管研究人员仍需要更多地去了解这些星系中的恒星群落，但有一点的确是了解的：这些星系的颜色是碧蓝碧蓝的。
Although researchers have yet to learn much about the stellar populations within these galaxies, one thing they do know is that "the galaxies are extremely blue," says Robertson.
球状星团是近乎球形恒星群，由成千上万颗恒星构成，这些恒星通过引力作用被束缚在一起。这些星团中的恒星属于星系中最古老的恒星之列。
Globular clusters are nearly spherical groups of hundreds of thousands of stars bound by gravity. The stars in these clusters are among the oldest in the galaxy.
在观测太过于遥远的星群时，要分辨出望远镜看到的是一颗重质量的恒星还是两颗小恒星靠得很近，总是不太可能。
In clusters that are too far away, it isn't always possible to tell if a telescope has picked up on one heavyweight star or two smaller ones in close proximity.
戴森提出这样的文明将能够使用卫星群围封住一颗恒星从而获取它的能量。
Dyson proposed that such a civilization would be capable of encapsulating a star with a swarm of satellites to harvest its energy.
第一颗目标恒星是武仙星群中一颗称为GD358的白矮星。
The primary target is a White Dwarf star known as GD358 in the constellation Hercules.
这三颗行星围绕着一颗略小于偶们的太阳的恒星转动，而这颗恒星距南剑鱼座和绘架座星群有42光年之遥。
The trio of planets orbit a star slightly less massive than our Sun, 42 light-years away towards the southern Doradus and Pictor constellations.
然而，如果你看到从一个星群移动到另一个星群，那他不是一颗恒星，是一颗行星。
However, if you see it move from one group to another, then it is not a star but a planet.
一些图片展示了恒星毁灭前的大爆炸景致，还有一些组成了银河的星群星云。
Some show us the explosive outbursts of dying SUNS, others the swirling masses of stars that make up the galaxies.
这些恒星形成了一个星群，它的形状很像手表。
These stars form a group, the shape of which is rather like the shape of a watch.
太阳和它的行星被叫做太阳系，我们的太阳系只是一个由恒星和行星组成的星群里的一小部分，这个星系比太阳系大得多，叫银河系，或者银河。
The sun and its planets are called the solar system, and our solar system is a small part of a much larger Galaxy or the Milky Way.
最对这份星图的准确性及所用投影法所做的分析表明，星图上标注出了1,300多颗恒星的位置，并勾勒出257个中国星群的轮廓。
A recent analysis that examines the accuracy and projections used to make it notes the atlas marks positions of over 1,300 stars and Outlines 257 Chinese star groups or asterisms.
它增长中的边缘预示其正被星群中最炽热的恒星光致电离。
Its glowing edge indicates that it is being photoionized by the hottest stars in the cluster. It has been hypothesized that stars may form inside such dusty cocoons.
它增长中的边缘预示其正被星群中最炽热的恒星光致电离。
Its glowing edge indicates that it is being photoionized by the hottest stars in the cluster. It has been hypothesized that stars may form inside such dusty cocoons.
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